// Copyright 2013 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef COLORSPACE_CONVERSIONS_EX_H_
#define COLORSPACE_CONVERSIONS_EX_H_

#include "image.h"

namespace harmonizer {

void ConvertRGBToHSV(uint8 r, uint8 g, uint8 b,
                     double* h, double* s, double* v);

void ConvertHSVToRGB(double h, double s, double v,
                     uint8* r, uint8* g, uint8* b);

// Converts an RGB image into an HSV image that uses floats.
bool ConvertRGBToHSVFloat(
    const Image& rgb,
    FloatImage* hsv);

// Inverse transform of the above.
bool ConvertHSVToRGBFloat(
    const FloatImage& hsv,
    Image* rgb);

}  // namespace harmonizer

#endif  // COLORSPACE_CONVERSIONS_EX_H_
